public override List<FrameworkElement> CreateLabels(ITicksInfo<double> ticksInfo)
{
tickInfo.Info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
Init(ticks);
int numOfTicks=ticks.Length;
for (int i = 0; i < numOfTicks; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Index = i;
string label = GetString(tickInfo);
if (i < allocatedTextBlocksCount)
{
allocatedTextBlocksList[i].Text=label;
}
else {
TextBlock t = new TextBlock() { Text = label };
allocatedTextBlocksList.Add(t);
allocatedFrameworkElementsList.Add(t);
}
ApplyCustomView(tickInfo, allocatedTextBlocksList[i]);
}
if (allocatedTextBlocksCount > numOfTicks) {
allocatedTextBlocksList.RemoveRange(ticks.Length, allocatedTextBlocksCount - numOfTicks);
allocatedFrameworkElementsList.RemoveRange(ticks.Length, allocatedTextBlocksCount - numOfTicks);
}
allocatedTextBlocksCount = numOfTicks;
return allocatedFrameworkElementsList;
}
public override UIElement[] CreateLabels(ITicksInfo<double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo<double> tickInfo = new LabelTickInfo<double> { Info = ticksInfo.Info };
for (int i = 0; i < res.Length; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Index = i;
string labelText = GetString(tickInfo);
TextBlock label = (TextBlock)GetResourceFromPool();
if (label == null)
{
label = new TextBlock();
}
label.Text = labelText;
label.ToolTip = ticks[i].ToString();
res[i] = label;
ApplyCustomView(tickInfo, label);
}
return res;
}
public override UIElement[] CreateLabels(ITicksInfo<DateTime> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
if (info is DifferenceIn)
{
DifferenceIn diff = (DifferenceIn)info;
DateFormat = GetDateFormat(diff);
}
LabelTickInfo<DateTime> tickInfo = new LabelTickInfo<DateTime> { Info = info };
UIElement[] res = new UIElement[ticks.Length];
for (int i = 0; i < ticks.Length; i++)
{
tickInfo.Tick = ticks[i];
string tickText = GetString(tickInfo);
UIElement label = new TextBlock { Text = tickText, ToolTip = ticks[i] };
ApplyCustomView(tickInfo, label);
res[i] = label;
}
return res;
}
private void CreateTicks()
{
TickCountChange result = TickCountChange.OK;
TickCountChange prevResult;
int prevActualTickCount = -1;
int tickCount = previousTickCount;
int iteration = 0;
do
{
Verify.IsTrue(++iteration < maxTickArrangeIterations);
ticksInfo = ticksProvider.GetTicks(range, tickCount);
ticks = ticksInfo.Ticks;
if (ticks.Length == prevActualTickCount)
{
result = TickCountChange.OK;
break;
}
prevActualTickCount = ticks.Length;
labels = labelProvider.CreateLabels(ticksInfo);
prevResult = result;
result = CheckLabelsArrangement(labels, ticks);
if (prevResult == TickCountChange.Decrease && result == TickCountChange.Increase)
{
// stop tick number oscillating
result = TickCountChange.OK;
}
if (result != TickCountChange.OK)
{
int prevTickCount = tickCount;
if (result == TickCountChange.Decrease)
tickCount = ticksProvider.DecreaseTickCount(tickCount);
else
{
tickCount = ticksProvider.IncreaseTickCount(tickCount);
//DebugVerify.Is(tickCount >= prevTickCount);
}
// ticks provider could not create less ticks or tick number didn't change
if (tickCount == 0 || prevTickCount == tickCount)
{
tickCount = prevTickCount;
result = TickCountChange.OK;
}
}
} while (result != TickCountChange.OK);
previousTickCount = tickCount;
}
private TickCountChange CheckMinorTicksArrangement(ITicksInfo<T> minorTicks)
{
Size renderSize = RenderSize;
TickCountChange result = TickCountChange.OK;
if (minorTicks.Ticks.Length * 3 > getSize(renderSize))
result = TickCountChange.Decrease;
else if (minorTicks.Ticks.Length * 6 < getSize(renderSize))
result = TickCountChange.Increase;
return result;
}
public MinorTickInfo <DateTime>[] CreateTicks(Range <DateTime> range)
{
int tickCount = tickCounts[1];
ITicksInfo <DateTime> ticks = GetTicks(range, tickCount);
MinorTickInfo <DateTime>[] res = ticks.Ticks.
Select(dt => new MinorTickInfo <DateTime>(0.5, dt)).ToArray();
return(res);
}
/// <summary>
/// Creates labels by given ticks info.
/// Is not intended to be called from your code.
/// </summary>
/// <param name="ticksInfo">The ticks info.</param>
/// <returns>
/// Array of <see cref="UIElement"/>s, which are axis labels for specified axis ticks.
/// </returns>
public override UIElement[] CreateLabels(ITicksInfo <double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo <double> tickInfo = new LabelTickInfo <double> {
Info = ticksInfo.Info
};
for (int i = 0; i < res.Length; i++)
{
var tick = ticks[i];
tickInfo.Tick = tick;
tickInfo.Index = i;
string labelText = GetString(tickInfo);
TextBlock label;
if (labelText.Contains('E'))
{
string[] substrs = labelText.Split('E');
string mantissa = substrs[0];
string exponenta = substrs[1];
exponenta = exponenta.TrimStart('+');
Span span = new Span();
span.Inlines.Add(String.Format(CultureInfo.CurrentCulture, "{0}·10", mantissa));
Span exponentaSpan = new Span(new Run(exponenta));
exponentaSpan.BaselineAlignment = BaselineAlignment.Superscript;
exponentaSpan.FontSize = 8;
span.Inlines.Add(exponentaSpan);
label = new TextBlock(span);
LabelProviderProperties.SetExponentialIsCommonLabel(label, false);
}
else
{
label = (TextBlock)GetResourceFromPool();
if (label == null)
{
label = new TextBlock();
}
label.Text = labelText;
}
res[i] = label;
label.ToolTip = tick.ToString(CultureInfo.CurrentCulture);
ApplyCustomView(tickInfo, label);
}
return(res);
}
public override UIElement[] CreateLabels(ITicksInfo <T> ticksInfo)
{
UIElement[] res = base.CreateLabels(ticksInfo);
foreach (var e in res)
{
e.Visibility = Visibility.Collapsed;
}
return(res);
}
/// <summary>
/// Creates labels by given ticks info.
/// Is not intended to be called from your code.
/// </summary>
/// <param name="ticksInfo">The ticks info.</param>
/// <returns>
/// Array of <see cref="UIElement"/>s, which are axis labels for specified axis ticks.
/// </returns>
public override UIElement[] CreateLabels(ITicksInfo<double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo<double> tickInfo = new LabelTickInfo<double> { Info = ticksInfo.Info };
for (int i = 0; i < res.Length; i++)
{
var tick = ticks[i];
tickInfo.Tick = tick;
tickInfo.Index = i;
string labelText = GetString(tickInfo);
TextBlock label;
if (labelText.Contains('E'))
{
string[] substrs = labelText.Split('E');
string mantissa = substrs[0];
string exponenta = substrs[1];
exponenta = exponenta.TrimStart('+');
Span span = new Span();
span.Inlines.Add(String.Format(CultureInfo.CurrentCulture, "{0}·10", mantissa));
Span exponentaSpan = new Span(new Run(exponenta));
exponentaSpan.BaselineAlignment = BaselineAlignment.Superscript;
exponentaSpan.FontSize = 8;
span.Inlines.Add(exponentaSpan);
label = new TextBlock(span);
LabelProviderProperties.SetExponentialIsCommonLabel(label, false);
}
else
{
label = (TextBlock)GetResourceFromPool();
if (label == null)
{
label = new TextBlock();
}
label.Text = labelText;
}
res[i] = label;
label.ToolTip = tick.ToString(CultureInfo.CurrentCulture);
ApplyCustomView(tickInfo, label);
}
return res;
}
private TickChange CheckMinorTicksArrangement(ITicksInfo <T> minorTicks)
{
Size renderSize = DesiredSize;
TickChange result = TickChange.OK;
if (minorTicks.Ticks.Length * 3 > getSize(DesiredSize))
{
result = TickChange.Decrease;
}
else if (minorTicks.Ticks.Length * 6 < getSize(DesiredSize))
{
result = TickChange.Increase;
}
return(result);
}
public override UIElement[] CreateLabels(ITicksInfo <double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo <double> tickInfo = new LabelTickInfo <double> {
Info = ticksInfo.Info
};
for (int i = 0; i < res.Length; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Index = i;
string label = GetString(tickInfo);
if (label.Contains('E'))
{
string[] substrs = label.Split('E');
string mantissa = substrs[0];
string exponenta = substrs[1];
exponenta = exponenta.TrimStart('+');
Span span = new Span();
span.Inlines.Add(String.Format(CultureInfo.CurrentCulture, "{0}·10", mantissa));
Span exponentaSpan = new Span(new Run(exponenta));
exponentaSpan.BaselineAlignment = BaselineAlignment.Superscript;
exponentaSpan.FontSize = 8;
span.Inlines.Add(exponentaSpan);
res[i] = new TextBlock(span);
}
else
{
res[i] = new TextBlock {
Text = label
};
}
((TextBlock)res[i]).ToolTip = ticks[i].ToString(CultureInfo.CurrentCulture);
ApplyCustomView(tickInfo, res[i]);
}
return(res);
}
public override List<FrameworkElement> CreateLabels(ITicksInfo<DateTime> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
if (info is DifferenceIn)
{
DifferenceIn diff = (DifferenceIn)info;
DateFormat = GetDateFormat(diff);
}
tickInfo.Info = info;
int ticksNum = ticks.Length;
for (int i = 0; i < ticksNum; i++)
{
tickInfo.Tick = ticks[i];
string tickText = GetString(tickInfo);
TextBlock label;
if (i < allocatedCount)
{
label = allocatedTextBlocksList[i];
}
else
{
label = new TextBlock();
allocatedFrameworkElementList.Add(label);
allocatedTextBlocksList.Add(label);
}
label.Text = tickText;
ApplyCustomView(tickInfo, label);
}
if (allocatedCount > ticksNum)
{
allocatedFrameworkElementList.RemoveRange(ticksNum, allocatedCount - ticksNum);
allocatedTextBlocksList.RemoveRange(ticksNum, allocatedCount - ticksNum);
}
allocatedCount = ticksNum;
return allocatedFrameworkElementList;
}
public override UIElement[] CreateLabels(ITicksInfo<double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo<double> tickInfo = new LabelTickInfo<double> { Info = ticksInfo.Info };
for (int i = 0; i < res.Length; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Index = i;
string label = GetString(tickInfo);
if (label.Contains('E'))
{
string[] substrs = label.Split('E');
string mantissa = substrs[0];
string exponenta = substrs[1];
exponenta = exponenta.TrimStart('+');
Span span = new Span();
span.Inlines.Add(String.Format(CultureInfo.CurrentCulture, "{0}·10", mantissa));
Span exponentaSpan = new Span(new Run(exponenta));
exponentaSpan.BaselineAlignment = BaselineAlignment.Superscript;
exponentaSpan.FontSize = 8;
span.Inlines.Add(exponentaSpan);
res[i] = new TextBlock(span);
}
else
{
res[i] = new TextBlock { Text = label };
}
((TextBlock)res[i]).ToolTip = ticks[i].ToString(CultureInfo.CurrentCulture);
ApplyCustomView(tickInfo, res[i]);
}
return res;
}
public override List <FrameworkElement> CreateLabels(ITicksInfo <DateTime> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
if (info is DifferenceIn)
{
DifferenceIn diff = (DifferenceIn)info;
DateFormat = GetDateFormat(diff);
}
tickInfo.Info = info;
int ticksNum = ticks.Length;
for (int i = 0; i < ticksNum; i++)
{
tickInfo.Tick = ticks[i];
string tickText = GetString(tickInfo);
TextBlock label;
if (i < allocatedCount)
{
label = allocatedTextBlocksList[i];
}
else
{
label = new TextBlock();
allocatedFrameworkElementList.Add(label);
allocatedTextBlocksList.Add(label);
}
label.Text = tickText;
ApplyCustomView(tickInfo, label);
}
if (allocatedCount > ticksNum)
{
allocatedFrameworkElementList.RemoveRange(ticksNum, allocatedCount - ticksNum);
allocatedTextBlocksList.RemoveRange(ticksNum, allocatedCount - ticksNum);
}
allocatedCount = ticksNum;
return(allocatedFrameworkElementList);
}
public override List <FrameworkElement> CreateLabels(ITicksInfo <double> ticksInfo)
{
tickInfo.Info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
Init(ticks);
int numOfTicks = ticks.Length;
for (int i = 0; i < numOfTicks; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Index = i;
string label = GetString(tickInfo);
if (i < allocatedTextBlocksCount)
{
allocatedTextBlocksList[i].Text = label;
}
else
{
TextBlock t = new TextBlock()
{
Text = label
};
allocatedTextBlocksList.Add(t);
allocatedFrameworkElementsList.Add(t);
}
ApplyCustomView(tickInfo, allocatedTextBlocksList[i]);
}
if (allocatedTextBlocksCount > numOfTicks)
{
allocatedTextBlocksList.RemoveRange(ticks.Length, allocatedTextBlocksCount - numOfTicks);
allocatedFrameworkElementsList.RemoveRange(ticks.Length, allocatedTextBlocksCount - numOfTicks);
}
allocatedTextBlocksCount = numOfTicks;
return(allocatedFrameworkElementsList);
}
public override UIElement[] CreateLabels(ITicksInfo <TimeSpan> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
LabelTickInfo <TimeSpan> tickInfo = new LabelTickInfo <TimeSpan>();
UIElement[] res = new UIElement[ticks.Length];
for (int i = 0; i < ticks.Length; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Info = info;
string tickText = GetString(tickInfo);
UIElement label = new TextBlock {
Text = tickText, ToolTip = ticks[i]
};
res[i] = label;
}
return(res);
}
private ITicksInfo <T> Clip(ITicksInfo <T> ticks, Range <T> range)
{
var newTicks = new List <T>(ticks.Ticks.Length);
var newSizes = new List <double>(ticks.TickSizes.Length);
for (int i = 0; i < ticks.Ticks.Length; i++)
{
T tick = ticks.Ticks[i];
if (IsInside(tick, range))
{
newTicks.Add(tick);
newSizes.Add(ticks.TickSizes[i]);
}
}
return(new TicksInfo <T>
{
Ticks = newTicks.ToArray(),
TickSizes = newSizes.ToArray(),
Info = ticks.Info
});
}
public override UIElement[] CreateLabels(ITicksInfo <T> ticksInfo)
{
var ticks = ticksInfo.Ticks;
var info = ticksInfo.Info;
LabelTickInfo <T> tickInfo = new LabelTickInfo <T>();
UIElement[] res = new UIElement[ticks.Length];
for (int i = 0; i < res.Length; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Info = info;
string text = GetString(tickInfo);
res[i] = new TextBlock
{
Text = text,
ToolTip = ticks[i].ToString()
};
}
return(res);
}
public override UIElement[] CreateLabels(ITicksInfo <TAxis> ticksInfo)
{
var ticks = ticksInfo.Ticks;
if (ticks.Length == 0)
{
return(EmptyLabelsArray);
}
startIndex = (int)ticksInfo.Info;
UIElement[] result = new UIElement[ticks.Length];
LabelTickInfo <TAxis> labelInfo = new LabelTickInfo <TAxis> {
Info = ticksInfo.Info
};
for (int i = 0; i < result.Length; i++)
{
var tick = ticks[i];
labelInfo.Tick = tick;
labelInfo.Index = i;
string labelText = GetString(labelInfo);
TextBlock label = new TextBlock {
Text = labelText
};
ApplyCustomView(labelInfo, label);
result[i] = label;
}
return(result);
}
public override UIElement[] CreateLabels(ITicksInfo<double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo<double> tickInfo = new LabelTickInfo<double> { Info = ticksInfo.Info };
for (int i = 0; i < res.Length; i++)
{
tickInfo.Tick = ticks[i];
tickInfo.Index = i;
string label = GetString(tickInfo);
res[i] = new TextBlock
{
Text = label,
ToolTip = ticks[i].ToString()
};
ApplyCustomView(tickInfo, res[i]);
}
return res;
}
public override UIElement[] CreateLabels(ITicksInfo <DateTime> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
UIElement[] res = new UIElement[ticks.Length - 1];
int labelsNum = 3;
if (info is DifferenceIn)
{
DifferenceIn diff = (DifferenceIn)info;
DateFormat = GetDateFormat(diff);
}
else if (info is MayorLabelsInfo)
{
MayorLabelsInfo mInfo = (MayorLabelsInfo)info;
DifferenceIn diff = (DifferenceIn)mInfo.Info;
DateFormat = GetDateFormat(diff);
labelsNum = mInfo.MayorLabelsCount + 1;
//DebugVerify.Is(labelsNum < 100);
}
DebugVerify.Is(ticks.Length < 10);
LabelTickInfo <DateTime> tickInfo = new LabelTickInfo <DateTime>();
for (int i = 0; i < ticks.Length - 1; i++)
{
tickInfo.Info = info;
tickInfo.Tick = ticks[i];
string tickText = GetString(tickInfo);
Grid grid = new Grid
{
Background = Brushes.Beige
};
Rectangle rect = new Rectangle
{
Stroke = Brushes.Peru,
StrokeThickness = 2
};
Grid.SetColumn(rect, 0);
Grid.SetColumnSpan(rect, labelsNum);
for (int j = 0; j < labelsNum; j++)
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
}
grid.Children.Add(rect);
for (int j = 0; j < labelsNum; j++)
{
var tb = new TextBlock
{
Text = tickText,
HorizontalAlignment = HorizontalAlignment.Center,
Margin = new Thickness(0, 3, 0, 3)
};
Grid.SetColumn(tb, j);
grid.Children.Add(tb);
}
ApplyCustomView(tickInfo, grid);
res[i] = grid;
}
return(res);
}
/// <summary> /// Creates the labels by given ticks info. /// </summary> /// <param name="ticksInfo">The ticks info.</param> /// <returns></returns> public abstract List <FrameworkElement> CreateLabels(ITicksInfo <T> ticksInfo);
public override List<FrameworkElement> CreateLabels(ITicksInfo<DateTime> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
FrameworkElement[] res = new FrameworkElement[ticks.Length - 1];
int labelsNum = 3;
if (info is DifferenceIn)
{
DifferenceIn diff = (DifferenceIn)info;
DateFormat = GetDateFormat(diff);
}
else if (info is MayorLabelsInfo)
{
MayorLabelsInfo mInfo = (MayorLabelsInfo)info;
DifferenceIn diff = (DifferenceIn)mInfo.Info;
DateFormat = GetDateFormat(diff);
labelsNum = mInfo.MayorLabelsCount + 1;
//DebugVerify.Is(labelsNum < 100);
}
DebugVerify.Is(ticks.Length < 10);
LabelTickInfo<DateTime> tickInfo = new LabelTickInfo<DateTime>();
for (int i = 0; i < ticks.Length - 1; i++)
{
tickInfo.Info = info;
tickInfo.Tick = ticks[i];
string tickText = GetString(tickInfo);
Grid grid = new Grid
{
Background = new SolidColorBrush(Colors.LightGray)
};
Rectangle rect = new Rectangle
{
Stroke = new SolidColorBrush(Colors.DarkGray),
StrokeThickness = 2
};
Grid.SetColumn(rect, 0);
Grid.SetColumnSpan(rect, labelsNum);
for (int j = 0; j < labelsNum; j++)
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
}
grid.Children.Add(rect);
for (int j = 0; j < labelsNum; j++)
{
var tb = new TextBlock
{
Text = tickText,
HorizontalAlignment = HorizontalAlignment.Center,
Margin = new Thickness(0, 3, 0, 3)
};
Grid.SetColumn(tb, j);
grid.Children.Add(tb);
}
ApplyCustomView(tickInfo, grid);
res[i] = grid;
}
return new List<FrameworkElement>(res);
}
private void CreateTicks()
{
TickChange result = TickChange.OK;
TickChange prevResult;
int prevActualTickCount = -1;
int tickCount = DefaultTicksProvider.DefaultTicksCount;
int iteration = 0;
bool stopTicksCountTuning = false;
do
{
Verify.IsTrue(++iteration < maxTickArrangeIterations);
ticksInfo = ticksProvider.GetTicks(range, tickCount);
ticks = ticksInfo.Ticks;
if (ticks.Length == prevActualTickCount)
{
result = TickChange.OK;
break;
}
prevActualTickCount = ticks.Length;
labels = labelProvider.CreateLabels(ticksInfo);
prevResult = result;
if (tickCount > TicksUpperConstraint)
{
result = TickChange.Decrease;
}
else
{
result = CheckLabelsArrangement(labels, ticks);
}
if (prevResult == TickChange.Decrease && result == TickChange.Increase)
{
// stop tick number oscillating
result = TickChange.OK;
}
if (result != TickChange.OK)
{
int prevTickCount = tickCount;
if (result == TickChange.Decrease)
{
tickCount = ticksProvider.DecreaseTickCount(tickCount);
}
else
{
tickCount = ticksProvider.IncreaseTickCount(tickCount);
DebugVerify.Is(tickCount >= prevTickCount);
}
// ticks provider cannot create less ticks or tick number didn't change
if (tickCount == 0 || prevTickCount == tickCount)
{
tickCount = prevTickCount;
result = TickChange.OK;
}
}
ticksGenNumber = tickCount;
} while (result != TickChange.OK && !stopTicksCountTuning);
}
public override UIElement[] CreateLabels(ITicksInfo <DateTime> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
UIElement[] res = new UIElement[ticks.Length - 1];
int labelsNum = 3;
if (info is DifferenceIn)
{
DifferenceIn diff = (DifferenceIn)info;
DateFormat = GetDateFormat(diff);
}
else if (info is MajorLabelsInfo)
{
MajorLabelsInfo mInfo = (MajorLabelsInfo)info;
DifferenceIn diff = (DifferenceIn)mInfo.Info;
DateFormat = GetDateFormat(diff);
labelsNum = mInfo.MajorLabelsCount + 1;
//DebugVerify.Is(labelsNum < 100);
}
DebugVerify.Is(ticks.Length < 10);
LabelTickInfo <DateTime> tickInfo = new LabelTickInfo <DateTime>();
for (int i = 0; i < ticks.Length - 1; i++)
{
tickInfo.Info = info;
tickInfo.Tick = ticks[i];
string tickText = GetString(tickInfo);
Grid grid = new Grid {
};
// doing binding as described at http://sdolha.spaces.live.com/blog/cns!4121802308C5AB4E!3724.entry?wa=wsignin1.0&sa=835372863
grid.SetBinding(Grid.BackgroundProperty, new Binding {
Path = new PropertyPath("(0)", DateTimeAxis.MajorLabelBackgroundBrushProperty), RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor)
{
AncestorType = typeof(AxisControlBase)
}
});
Rectangle rect = new Rectangle
{
StrokeThickness = 2
};
rect.SetBinding(Rectangle.StrokeProperty, new Binding {
Path = new PropertyPath("(0)", DateTimeAxis.MajorLabelRectangleBorderPropertyProperty), RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor)
{
AncestorType = typeof(AxisControlBase)
}
});
Grid.SetColumn(rect, 0);
Grid.SetColumnSpan(rect, labelsNum);
for (int j = 0; j < labelsNum; j++)
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
}
grid.Children.Add(rect);
for (int j = 0; j < labelsNum; j++)
{
var tb = new TextBlock
{
Text = tickText,
HorizontalAlignment = HorizontalAlignment.Center,
Margin = new Thickness(0, 3, 0, 3)
};
Grid.SetColumn(tb, j);
grid.Children.Add(tb);
}
ApplyCustomView(tickInfo, grid);
res[i] = grid;
}
return(res);
}
public abstract UIElement[] CreateLabels(ITicksInfo <T> ticksInfo);
public override UIElement[] CreateLabels(ITicksInfo<DateTime> ticksInfo)
{
object info = ticksInfo.Info;
var ticks = ticksInfo.Ticks;
UIElement[] res = new UIElement[ticks.Length - 1];
int labelsNum = 3;
if (info is DifferenceIn)
{
DifferenceIn diff = (DifferenceIn)info;
DateFormat = GetDateFormat(diff);
}
else if (info is MajorLabelsInfo)
{
MajorLabelsInfo mInfo = (MajorLabelsInfo)info;
DifferenceIn diff = (DifferenceIn)mInfo.Info;
DateFormat = GetDateFormat(diff);
labelsNum = mInfo.MajorLabelsCount + 1;
//DebugVerify.Is(labelsNum < 100);
}
DebugVerify.Is(ticks.Length < 10);
LabelTickInfo<DateTime> tickInfo = new LabelTickInfo<DateTime>();
for (int i = 0; i < ticks.Length - 1; i++)
{
tickInfo.Info = info;
tickInfo.Tick = ticks[i];
string tickText = GetString(tickInfo);
Grid grid = new Grid { };
// doing binding as described at http://sdolha.spaces.live.com/blog/cns!4121802308C5AB4E!3724.entry?wa=wsignin1.0&sa=835372863
grid.SetBinding(Grid.BackgroundProperty, new Binding { Path = new PropertyPath("(0)", DateTimeAxis.MajorLabelBackgroundBrushProperty), RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor) { AncestorType = typeof(AxisControlBase) } });
Rectangle rect = new Rectangle
{
StrokeThickness = 2
};
rect.SetBinding(Rectangle.StrokeProperty, new Binding { Path = new PropertyPath("(0)", DateTimeAxis.MajorLabelRectangleBorderPropertyProperty), RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor) { AncestorType = typeof(AxisControlBase) } });
Grid.SetColumn(rect, 0);
Grid.SetColumnSpan(rect, labelsNum);
for (int j = 0; j < labelsNum; j++)
{
grid.ColumnDefinitions.Add(new ColumnDefinition());
}
grid.Children.Add(rect);
for (int j = 0; j < labelsNum; j++)
{
var tb = new TextBlock
{
Text = tickText,
HorizontalAlignment = HorizontalAlignment.Center,
Margin = new Thickness(0, 3, 0, 3)
};
Grid.SetColumn(tb, j);
grid.Children.Add(tb);
}
ApplyCustomView(tickInfo, grid);
res[i] = grid;
}
return res;
}
/// <summary>
/// Creates labels by given ticks info.
/// Is not intended to be called from your code.
/// </summary>
/// <param name="ticksInfo">The ticks info.</param>
/// <returns>
/// Array of <see cref="UIElement"/>s, which are axis labels for specified axis ticks.
/// </returns>
public override UIElement[] CreateLabels(ITicksInfo <double> ticksInfo)
{
var ticks = ticksInfo.Ticks;
Init(ticks);
UIElement[] res = new UIElement[ticks.Length];
LabelTickInfo <double> tickInfo = new LabelTickInfo <double> {
Info = ticksInfo.Info
};
for (int i = 0; i < res.Length; i++)
{
var tick = ticks[i];
tickInfo.Tick = tick;
tickInfo.Index = i;
string labelText = GetString(tickInfo);
TextBlock label;
if (labelText.Contains('E'))
{
string[] substrs = labelText.Split('E');
string mantissa = substrs[0];
string exponenta = substrs[1];
exponenta = exponenta.TrimStart('+');
Span span = new Span();
span.Inlines.Add(string.Format(CultureInfo.CurrentCulture, "{0}·10", mantissa));
Span exponentaSpan = new Span(new Run(exponenta));
exponentaSpan.BaselineAlignment = BaselineAlignment.Superscript;
exponentaSpan.FontSize = 8;
span.Inlines.Add(exponentaSpan);
label = new TextBlock(span);
LabelProviderProperties.SetExponentialIsCommonLabel(label, false);
}
else
{
label = (TextBlock)GetResourceFromPool();
if (label == null)
{
label = new TextBlock();
}
label.Text = labelText;
}
res[i] = label;
label.ToolTip = tick.ToString(CultureInfo.CurrentCulture);
ApplyCustomView(tickInfo, label);
}
// need to make the number of digits after the decimal point all the same
// so fill in between the "." and the "E" with zeros to make all the same
var labelsWithDecimal = res.Cast <TextBlock>().Select(tb => tb.Text).Where(t => t.Contains(".")).ToArray();
if (labelsWithDecimal.Length > 0)
{
int decimalPlaces = 0;
foreach (var labelWithDecimal in labelsWithDecimal)
{
if (labelsWithDecimal.Contains("E"))
{
decimalPlaces = Math.Max(decimalPlaces, labelWithDecimal.IndexOf("E") - labelWithDecimal.IndexOf(".") - 1);
}
else
{
decimalPlaces = Math.Max(decimalPlaces, labelWithDecimal.Length - labelWithDecimal.IndexOf(".") - 1);
}
}
foreach (TextBlock tb in res)
{
string text = tb.Text;
int insertionPoint = text.Contains("E") ? text.IndexOf("E") : text.Length;
if (!text.Contains("."))
{
text = text.Insert(insertionPoint, ".");
insertionPoint++;
}
int currentPlaces = insertionPoint - text.IndexOf(".") - 1;
for (int i = currentPlaces; i < decimalPlaces; ++i)
{
text = text.Insert(insertionPoint, "0");
}
tb.Text = text;
}
}
return(res);
}
